10220324440 has 16 divisors (see below), whose sum is σ = 22995730080. Its totient is φ = 4088129760.

The previous prime is 10220324423. The next prime is 10220324479. The reversal of 10220324440 is 4442302201.

It is a happy number.

It is a super-2 number, since 2×10220324440² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127754016 + ... + 127754095.

It is an arithmetic number, because the mean of its divisors is an integer number (1437233130).

Almost surely, 2^10220324440 is an apocalyptic number.

10220324440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220324440 is an abundant number, since it is smaller than the sum of its proper divisors (12775405640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10220324440 is a wasteful number, since it uses less digits than its factorization.

10220324440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255508122 (or 255508118 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 10220324440 its reverse (4442302201), we get a palindrome (14662626641).

The spelling of 10220324440 in words is "ten billion, two hundred twenty million, three hundred twenty-four thousand, four hundred forty".